Germany DDR GDR 1972 Astronomy Stamps Set of 3 Mi #1403, 1405-1406

Set of three 1972 Deutsche Demokratische Republik (DDR/GDR) Deutsche Post postage stamps featuring celestial globes, armillary spheres, and astronomy-themed designs. The stamps are identified as Michel numbers 1403, 1405, and 1406, with denominations of 10, 20, and 25. Good pre-owned condition with visible postal cancellations and handling wear. A collectible grouping for Germany, DDR/GDR, astronomy, celestial globe, and space-themed stamp collectors.